proposed change, sales are forecast to increase to 80,000 units. a. What are bad debts in dollars currently and under the proposed change? b. Calculate the cost of the marginal bad debts to the firm. d. Considering all changes in costs and benefits, would you recommend the proposed change? e. Compare and discuss your answers in parts c and d. a. The firm's current amount of bad debts in dollars is $ (Round to the nearest dollar.)